In A Nutshell:-
Contest Host: General Marketing Blog
Contest URL: Free Advertising Contest
Contest Deadline: 29 February 2008
Prize(s): 125×125 banner ad (3 months); 500 Entrecard credits in total
Judging Criteria: Random draw
How To Enter: Blog about contest; join forum; comment on post
Whiz Rating: 3.5 Stars
Expert Musings: Prizes aren’t outstanding but it is easy to enter

Details:-
If you’re interested in entering the contest, do pop down to the contest post at the above contest URL to check out the full details.